US7104833B2 - Electrical connector with release means - Google Patents

Electrical connector with release means Download PDF

Info

Publication number
US7104833B2
US7104833B2 US11/288,626 US28862605A US7104833B2 US 7104833 B2 US7104833 B2 US 7104833B2 US 28862605 A US28862605 A US 28862605A US 7104833 B2 US7104833 B2 US 7104833B2
Authority
US
United States
Prior art keywords
housing
conductor
connector
release member
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US11/288,626
Other languages
English (en)
Other versions
US20060128206A1 (en
Inventor
Jens Oesterhaus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36060574&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US7104833(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Assigned to WEIDMULLER INTERFACE GMBH & CO. KG reassignment WEIDMULLER INTERFACE GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: OESTERHAUS, JENS
Publication of US20060128206A1 publication Critical patent/US20060128206A1/en
Application granted granted Critical
Publication of US7104833B2 publication Critical patent/US7104833B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/483—Pivoting arrangements, e.g. lever pushing on the spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring

Definitions

  • An electrical connector includes a housing having a chamber in which are mounted a bus bar, and a leaf spring that normally biases the end of a conductor that is inserted into the chamber into electrical engagement with the bus bar, characterized by the provision of a release member connected with the housing for movement from a retracted position toward an extended release position, thereby to release the spring from the conductor so that the conductor might be removed from the housing.
  • the release member has a pair of angularly arranged surfaces that contain operating openings for selectively receiving the tip of an operating tool arranged at various angular positions relative to the housing.
  • German Patent No. 295 00 614.5 it has been proposed in the prior art to provide an electrical connector arrangement in which a release member is operable relative to the connector housing to release the biasing leg of a leaf spring from locking engagement with a conductor, thereby to permit disengagement of the conductor from a bus bar contained within the housing, and removal of the conductor from the housing.
  • the assembly For the purpose of connecting fine-strand conductors to the bus bar, and/or for the disconnection and removal of the conductors from the housing, the assembly is provided with a disconnect member that is actuated either manually, or by means of an actuating tool, such as a screwdriver.
  • the disconnect member acts upon the biasing leg of a leaf spring or the like to displace the same toward an unlocked position relative to a conductor that is introduced into the connector housing chamber.
  • the present invention was developed to provide an improved release mechanism that permits the connection and disconnection of fine-strand conductors under tight space, poor accessibility, and difficult tool orientation situations.
  • a primary object of the present invention is to provide a connector arrangement including a disconnect or release member that is operable by a release tool arranged at different orientations relative to the connector housing to effect release of the biasing spring from the conductor, thereby to permit removal of the conductor from the housing chamber.
  • the release member is pivotally connected with the connector housing for movement from a retracted position toward a release position in which the biasing leg of a leaf spring is released from the conductor, thereby to permit the removal of the conductor from the connector housing.
  • the release member has a pair of angularly arranged support surfaces that contain operating recesses that selectively receive the tip of an operating tool, such as a screwdriver. Owing to the angular relationship between the support surfaces on the release member, the tool may be operated at different angles and in tight quarters relative to the connector housing to effect the desired release operation.
  • the pivotal connection of the release member relative to the housing permits a greater versatility and positioning of the operating tool than does a linearly operable release member.
  • a further object of the invention is to provide on separate surfaces of the release member at least two operating slits that each have a V-shaped cross-sectional configuration, thereby to receive the tip of a screwdriver arranged at various positions relative to the connector housing.
  • FIG. 1 is a front perspective view of the electrical connector of the present invention illustrating the manner of operation of the of the conductor release means;
  • FIG. 2 is a side elevation view of the electrical connector of FIG. 1 with the release member in its retracted position;
  • FIG. 3 illustrated the apparatus of FIG. 2 with the release member in its conductor release position
  • FIGS. 4 a and 4 b are detailed perspective and exploded views illustrating the release member in it assembled and disassembled condition relative to the housing, respectively;
  • FIGS. 5 a and 5 b are detained elevation views illustrating the snap-fit assembly steps for connecting the release member with the housing.
  • the electrical connector assembly of the present invention comprises a terminal block housing 1 that is formed of an electrical insulating material and that contains a chamber 3 .
  • a stationary bus bar 9 mounted within the chamber is a stationary bus bar 9 , together with a leaf spring 5 that serves to bias an electrical conductor 13 toward electrical engagement with the bus bar 9 .
  • a release member 15 is provided that is pivotally connected with the housing 1 , as will be described in greater detail below.
  • the release member 15 includes a pair of angularly arranged surfaces 15 a and 15 b that contain operating recesses 16 and 17 , respectively. These operating recesses are adapted to selectively receive an operating tool 18 , such as a screw driver, having a pointed tip portion that is adapted to extend within either of the operating recesses 16 or 17 depending on the angular orientation of the operating tool 18 .
  • the housing chamber 3 receives a metal cage element 2 having at one end the orthogonally bent bus bar portion 9 , and at the other end a bent parallel portion 6 that defines the stationary first leg of a leaf spring 5 .
  • the leaf spring 5 has a generally inverted V-shaped configuration, and includes a second biasing leg 8 that extends toward the bus bar 3 below a conductor opening 14 contained in the housing and above the clamping zone 11 adjacent the bus bar 9 .
  • a conductor 13 is introduced downwardly into the chamber 3 via the conductor opening 14 , whereupon the spring leg 8 biases the bare end of the insulated conductor 13 into electrical contact with the bus bar 9 .
  • a release member 15 is pivotally connected with the housing 1 and extends within a release opening contained therein.
  • the release member 15 has a generally L-shaped configuration, and includes an intermediate portion carrying a pivot shaft 23 having end portions that are journaled within corresponding journals 22 contained in the connector housing 1 .
  • the ends of the pivot pin 23 are connected in the bearing journals 22 by a snap-fit connection, as shown in FIGS. 5 a and 5 b.
  • the release member 15 includes a pair of orthogonally arranged surfaces 15 a and 15 b that contain the operating recesses 16 and 17 , respectively.
  • the recesses 16 and 17 have a V-shaped cross-sectional configuration, with the walls of the recesses being angularly arranged at an angle of from about 60° to about 120°.
  • the operating recess 16 is adapted to receive the tip of a screwdriver 18 when in the position 18 a of FIG. 1 .
  • the operating recess 17 is adapted to receive the tip of the screwdriver when the screwdriver is in the position 18 b shown in FIG. 1 .
  • the insulated conductor 13 is relatively rigid, so that during downward insertion of the end of the conductor 13 within the chamber 3 via the conductor opening 14 , the bare end of the conductor engages the adjacent spring leg 8 and deforms the same downwardly relative to the stationary leg 6 .
  • the sharp tip 12 of the second spring leg 8 automatically digs into and engages the outer surface of the conductor 13 , thereby to retain the same and to bias the bare conductor toward electrical engagement with the stationary bus bar 9 .
  • the release member 15 In order to release the conductor 13 , the release member 15 is pivoted by the tool 18 a in the clockwise direction about the pivot axes 23 toward the released position of FIG. 3 .
  • the longer leg 19 of the L-shaped release member 15 engages the second leg portion 8 of the leaf spring 5 , whereby the tip 12 of the second leg 8 is released from the conductor 13 , thereby to permit removal of the conductor from the chamber 3 via the conductor opening 14 .
  • the spring leg 8 expands relative to the stationary spring leg 6 , thereby to return the release member 15 to its original position shown in FIG. 2 .
  • the operator places the screwdriver in the position shown in phantom by the reference numeral 18 b , whereupon the tip of the screwdriver engages the recess 17 to pivot the release member in the clockwise direction toward the release position shown in FIG. 3 .
  • stop means 25 are provided that limit the degree of pivotal movement of the release member in the clockwise direction.
  • the release member 15 is provided with a stop pin 25 that extends outwardly from each side of the release member 15 for engagement with corresponding bearing surfaces on the housing when the release member is pivoted to the fully released position of FIG. 3 .
  • the stop device may comprise a tab 27 that is punched out at right angles from the plate portion of the cage device 2 , thereby to limit the extent of travel of the second leg of the leaf spring.
  • the invention offers the advantage that a plurality of the connecting means 2 may be provided in a single housing 1 , or a plurality of the housings containing the connecting means 2 could be provided in a side-by-side manner. Thus, only small space requirements are required when using the improved release member of the present invention.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Cable Accessories (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
US11/288,626 2004-12-10 2005-11-29 Electrical connector with release means Expired - Fee Related US7104833B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20004019109.1 2004-12-10
DE202004019109U DE202004019109U1 (de) 2004-12-10 2004-12-10 Anschlussvorrichtung für elektrische Leiter mit Betätigungsvorrichtung

Publications (2)

Publication Number Publication Date
US20060128206A1 US20060128206A1 (en) 2006-06-15
US7104833B2 true US7104833B2 (en) 2006-09-12

Family

ID=36060574

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/288,626 Expired - Fee Related US7104833B2 (en) 2004-12-10 2005-11-29 Electrical connector with release means

Country Status (6)

Country Link
US (1) US7104833B2 (de)
EP (1) EP1670098B1 (de)
CN (1) CN100442600C (de)
AT (1) ATE545176T1 (de)
DE (1) DE202004019109U1 (de)
ES (1) ES2381898T3 (de)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070006558A1 (en) * 2005-07-11 2007-01-11 Bals Elektrotechnik Gmbh & Co. Kg Screwless connection frame terminal
US20070207662A1 (en) * 2006-03-02 2007-09-06 Emilio Germani Multipolar electrical connector with spring contacts
WO2012036579A1 (en) 2010-09-17 2012-03-22 Jsl - Material Electrico, S.A. Connector for electric conductors
US8317548B2 (en) * 2010-05-26 2012-11-27 Phoenix Contact Gmbh & Co. Kg Electrical connector
US20130072072A1 (en) * 2010-06-30 2013-03-21 Weidmueller Interface Gmbh & Co. Kg Miniature spring clamp
US20140334118A1 (en) * 2011-11-07 2014-11-13 Lenze Automation Gmbh Frequency Converter and Spring Element Therefor
US9437940B1 (en) * 2015-04-11 2016-09-06 Jiangmen Krealux Electrical Appliances Co., Ltd. Terminal block connector
US20170352980A1 (en) * 2016-06-02 2017-12-07 Weidmüller Interface GmbH & Co. KG Spring loaded terminal for conductors
US20180131106A1 (en) * 2015-03-23 2018-05-10 Eaton Electrical Ip Gmbh & Co. Kg Electrical switching device comprising electrical clamping connections
US20180226732A1 (en) * 2015-09-22 2018-08-09 Weidmüller Interface GmbH & Co. KG Connection housing with a connection device for conductors
US10230179B2 (en) * 2015-01-21 2019-03-12 Phoenix Contact Gmbh & Co. Kg Electrical connection terminal with a two-part operating element
US20190221951A1 (en) * 2016-07-28 2019-07-18 Harting Electric Gmbh & Co. Kg Actuator for a connection device for electrical conductors
US10418727B1 (en) * 2018-11-15 2019-09-17 Dinkle Enterprise Co., Ltd. Rotate-to-open clamping unit and connection device having the same
US10439305B2 (en) 2015-09-22 2019-10-08 Weidmüller Interface GmbH & Co. KG Connection apparatus for conductors
US11424558B2 (en) * 2017-11-28 2022-08-23 Weidmüller Interface GmbH & Co. KG Connection device for the connection of a conductor end

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008024366B4 (de) * 2008-05-20 2010-11-25 Phoenix Contact Gmbh & Co. Kg Durchführungsklemme
US7785134B2 (en) * 2008-12-30 2010-08-31 General Electric Company Contact terminal for conductors
DE202009001488U1 (de) * 2009-02-06 2010-06-24 Weidmüller Interface GmbH & Co. KG Anschlussklemme zum Anschluss von Leiterenden
DE202009002324U1 (de) * 2009-02-18 2010-07-29 Weidmüller Interface GmbH & Co. KG Anschlussklemme zum Anschluss von Leiterenden
FR2946187B1 (fr) * 2009-05-26 2011-06-03 Finsecur Connecteur a lamelle,outil pour actionner ce connecteur,kit et detecteur d'incendie le comportant
DE102011115637B4 (de) 2011-06-21 2014-03-27 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
DE102012110895B4 (de) 2012-11-13 2015-03-26 Wago Verwaltungsgesellschaft Mbh Anschlussklemme
DE102013110481A1 (de) * 2013-09-23 2015-03-26 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
TWI544705B (zh) * 2014-09-05 2016-08-01 町洋企業股份有限公司 蝶形彈簧連接器
DE102015122143B4 (de) 2015-12-17 2019-02-14 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
US20180166801A1 (en) * 2016-03-30 2018-06-14 Ojun Electrical Co., Ltd. Electrical connector
EP3465828B1 (de) * 2016-05-30 2022-09-28 Weidmüller Interface GmbH & Co. KG Federkraftklemme für leiter
DE102021111100B4 (de) 2021-04-29 2023-10-12 Weidmüller Interface GmbH & Co. KG Anschlussvorrichtung und Verfahren zum Montieren einer solchen Anschlussvorrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29500614U1 (de) 1995-01-04 1995-03-16 Wago Verwaltungsgesellschaft Mbh, 32423 Minden Elektrische Klemme mit Betätigungsdrücker

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4239480A1 (de) * 1992-11-21 1994-05-26 Wago Verwaltungs Gmbh Federkraftklemme mit Betätigungsdrücker
DE20120811U1 (de) * 2001-12-21 2003-04-30 Weidmüller Interface GmbH & Co., 32760 Detmold Sammelschienen-Anschlußklemme
JP3855833B2 (ja) * 2002-04-23 2006-12-13 オムロン株式会社 電線接続コネクタ
US6832938B2 (en) * 2002-12-13 2004-12-21 Tyco Electronics Corporation Electrical connector with integral wire release member
FR2875944B1 (fr) * 2004-09-27 2006-12-15 Legrand Sa Appareil comportant un bloc de raccordement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29500614U1 (de) 1995-01-04 1995-03-16 Wago Verwaltungsgesellschaft Mbh, 32423 Minden Elektrische Klemme mit Betätigungsdrücker
US5685735A (en) * 1995-01-04 1997-11-11 Wago Verwaltungsgesellschaft Mbh Electrical terminal with actuating press-button

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070006558A1 (en) * 2005-07-11 2007-01-11 Bals Elektrotechnik Gmbh & Co. Kg Screwless connection frame terminal
US7249963B2 (en) * 2005-07-11 2007-07-31 Bals Elektrotechnik Gmbh & Co. Kg Screwless connection frame terminal
US20070207662A1 (en) * 2006-03-02 2007-09-06 Emilio Germani Multipolar electrical connector with spring contacts
US7438587B2 (en) * 2006-03-02 2008-10-21 Industria Lombarda Materiale Elettrico I.L.M.E. S.P.A. Multipolar electrical connector with spring contacts
US8317548B2 (en) * 2010-05-26 2012-11-27 Phoenix Contact Gmbh & Co. Kg Electrical connector
US20130072072A1 (en) * 2010-06-30 2013-03-21 Weidmueller Interface Gmbh & Co. Kg Miniature spring clamp
US8771004B2 (en) * 2010-06-30 2014-07-08 Weidmueller Interface Gmbh & Co. Kg Miniature spring clamp
WO2012036579A1 (en) 2010-09-17 2012-03-22 Jsl - Material Electrico, S.A. Connector for electric conductors
US9648774B2 (en) * 2011-11-07 2017-05-09 Lenze Automation Gmbh Frequency converter and spring element therefor
US20140334118A1 (en) * 2011-11-07 2014-11-13 Lenze Automation Gmbh Frequency Converter and Spring Element Therefor
US10230179B2 (en) * 2015-01-21 2019-03-12 Phoenix Contact Gmbh & Co. Kg Electrical connection terminal with a two-part operating element
US20180131106A1 (en) * 2015-03-23 2018-05-10 Eaton Electrical Ip Gmbh & Co. Kg Electrical switching device comprising electrical clamping connections
US10355377B2 (en) * 2015-03-23 2019-07-16 Eaton Intelligent Power Limited Electrical switching device comprising electrical clamping connections
US9437940B1 (en) * 2015-04-11 2016-09-06 Jiangmen Krealux Electrical Appliances Co., Ltd. Terminal block connector
US20180226732A1 (en) * 2015-09-22 2018-08-09 Weidmüller Interface GmbH & Co. KG Connection housing with a connection device for conductors
US10439305B2 (en) 2015-09-22 2019-10-08 Weidmüller Interface GmbH & Co. KG Connection apparatus for conductors
US10103482B2 (en) * 2016-06-02 2018-10-16 Weidmüller Interface GmbH & Co. KG Spring loaded terminal for conductors
US20170352980A1 (en) * 2016-06-02 2017-12-07 Weidmüller Interface GmbH & Co. KG Spring loaded terminal for conductors
US20190221951A1 (en) * 2016-07-28 2019-07-18 Harting Electric Gmbh & Co. Kg Actuator for a connection device for electrical conductors
US10855002B2 (en) * 2016-07-28 2020-12-01 Harting Electric Gmbh & Co. Kg Actuator for a connection device for electrical conductors
US11424558B2 (en) * 2017-11-28 2022-08-23 Weidmüller Interface GmbH & Co. KG Connection device for the connection of a conductor end
US10418727B1 (en) * 2018-11-15 2019-09-17 Dinkle Enterprise Co., Ltd. Rotate-to-open clamping unit and connection device having the same

Also Published As

Publication number Publication date
CN1787289A (zh) 2006-06-14
CN100442600C (zh) 2008-12-10
US20060128206A1 (en) 2006-06-15
ATE545176T1 (de) 2012-02-15
ES2381898T3 (es) 2012-06-01
EP1670098A1 (de) 2006-06-14
DE202004019109U1 (de) 2006-04-13
EP1670098B1 (de) 2012-02-08

Similar Documents

Publication Publication Date Title
US7104833B2 (en) Electrical connector with release means
US11552413B2 (en) Spring force terminal for conductors
US4340270A (en) Electrical terminal unit
US8388387B2 (en) Connecting terminal where operating element exerts a tensile force
US10992067B2 (en) Connection device for connection of an electrical line
US7287999B2 (en) Electrical connector including conductor engaging means
US10855002B2 (en) Actuator for a connection device for electrical conductors
US8771004B2 (en) Miniature spring clamp
CN114365355A (zh) 用于导体的连接端子
CN109314324A (zh) 用于导体的弹簧力端子
CN108493630A (zh) 连接端子
US20120258615A1 (en) Spring terminal, in particular a front terminal
KR101258019B1 (ko) 접속기
JP2009038029A (ja) 差込み可能なプリントクリップ
US7485015B2 (en) Electric apparatus comprising at least one spring connection terminal
JP2017220456A (ja) 導体路用ばね負荷端子
CN102725911A (zh) 速接端子装置
US20080248699A1 (en) Electric Terminal For Printed Circuit Boards
JPH08213085A (ja) 電気的接続用のロツク可能な平形ソケツト
KR101530431B1 (ko) 커넥터 장치
TW201121173A (en) Plug electrical connector
CN112740482B (zh) 电插头连接器
US20170141491A1 (en) Wall plate connector system
US20190123493A1 (en) Circuit board connection device
US6976866B2 (en) Junction block assembly

Legal Events

Date Code Title Description
AS Assignment

Owner name: WEIDMULLER INTERFACE GMBH & CO. KG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:OESTERHAUS, JENS;REEL/FRAME:017108/0520

Effective date: 20051121

FEPP Fee payment procedure

Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

FPAY Fee payment

Year of fee payment: 4

REMI Maintenance fee reminder mailed
LAPS Lapse for failure to pay maintenance fees
STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Lapsed due to failure to pay maintenance fee

Effective date: 20140912